<script>
export default {
  name: "left",
  activated() {
    console.log("我被激活了")
  },
  deactivated() {
    console.log("我被失活了")
  }
}
</script>

<template>
<div class="left">
  <input type="text">
</div>
</template>

<style scoped lang="less">

</style>